@article{10_21136_CMJ_1988_102259,
     author = {Franke, Jens and Runst, Thomas},
     title = {Nonlinear perturbations of linear non-invertible boundary value problems in function spaces of type $B^s_{p,q}$ and $F^s_{p,q}$},
     journal = {Czechoslovak Mathematical Journal},
     pages = {623--641},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {1988},
     doi = {10.21136/CMJ.1988.102259},
     mrnumber = {962907},
     zbl = {0676.35031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102259/}
}